Why choose cosine?

Awarded Top Sales Training Company

since 1990, over 400,000 salespeople have been certified on the skills of Cosine. These skills are proven to produce the greatest gains in sales performance. Cosine has been recognized by industry leaders and many business publications.

Tailored training solutions, delivered cost-effectively

In fact, we designed our programs and materials to be quickly and economically adaptable for any audience, without sacrificing the quality or integrity of the training solution.

Smart planning and execution around change

We take a broader, more holistic view of all of the factors that influence the desired changes, and help clients develop and execute the strategies and processes needed to implement these changes and ensure lasting results.